Home / 22,610.66-33,921.11-7,819.70

Finding the Fourth Proportional to 22,610.66, 33,921.11 and 7,819.70

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Solution

The fourth proportional to 22,610.66, 33,921.11 and 7,819.70 is: 11,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.66 : 33,921.11 = 7,819.70 : x
  2. Step 2: Convert to fraction form
    22,610.66/33,921.11 = 7,819.70/x
  3. Step 3: Cross multiply
    22,610.66x = 33,921.11 × 7,819.70
  4. Step 4: Simplify right side
    22,610.66x = 265,252,975.82
  5. Step 5: Solve for x
    x = 265,252,975.82/22,610.66
  6. Step 6: Final answer
    x = 11,731.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.